Model: 4-1639

Electrical Contact Brush Holder

Properties:

Thread Length
0.156 inches
Overall Length
1.031 inches
Overall Width
1.437 inches
Inside Width
0.279 inches
Overall Thickness
0.624 inches
Mounting Facility Quantity
1
Outer Surface Insulation Material
Plastic, phenolic
Contact End Bevel
Not included
Top Thread Location
External
Cap
Not included
Brush Quantity Accommodated Per Holder
1
Inside Thickness
0.129 inches
Material And Location
Brass box supporting
Mounting Facility
Unthreaded holes
Style Designator
Round offset
Thread Size And Series/type Designator
0.437-20 unf
NSN
5977-00-660-8581
Part Number
4-1639
Description
Holder,electrical Contact Brush
CAGE
16636

A holder designed to accommodate and position a brush against a commutator or collector ring. Also includes items consisting of two or more brush holders (boxes) cast as an inseparable unit. May include facilities for applying pressure to the brush(es) and may also be furnished with the brush(es). See also holder assembly, electrical contact brush.

Part 4-1639 NSN 5977-00-660-8581

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02937
FIIG:
A22700
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8545900000
  • SITC: 77886
  • End Use: Electric apparatus
  • NAICS: 335991
  • USDA: 1

Freight Class: Electrical carbon or graphite articles,nesoi

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